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Accounts Payable and Accrued Liabilities
6 Months Ended
Jun. 30, 2020
Accounts Payable and Accrued Liabilities  
Accounts Payable and Accrued Liabilities

Note 7—Accounts Payable and Accrued Liabilities

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At June 30, 2020 and December 31, 2019, accounts payable included retention amounts of approximately $10.1 million and $11.3 million, respectively.  These amounts owed to subcontractors have been retained pending contract completion and customer acceptance of jobs.

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The following is a summary of accrued liabilities (in thousands):

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​

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June 30, 

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December 31, 

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2020

    

2019

Payroll and related employee benefits

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$

85,130

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$

64,705

Current operating lease liability

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​

78,444

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​

74,036

Casualty insurance reserves

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9,729

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9,918

Corporate income taxes and other taxes

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19,736

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9,027

Other

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29,433

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25,815

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$

222,472

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$

183,501

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